OpenTreeOfLife/phylografter — pull request #92 by pmidford (2013-10-24 14:33:27+00:00)
Title: switched ot:isOTU back to ot:isLeaf per 10/23 software call

After discussion, consensus was that ot:isLeaf is a more accurate predicate for this use, which strictly related to tree topology, not whether an OTU has been assigned to the node.